abstract |
Provided processes for the preparation of (5-methyl-2-oxo-l,3-dioxol-4-yl)methyl 2-ethoxyl- 1 - { [2 '-(5-oxo-4,5 -dihydro- 1,2,4-oxadiazol-3 -yl)biphenyl-4-yl]methyl } - 1 H-benzimidazole-7 -carboxylate, its potassium salt and polymorphs thereof. |